package com.sky.mapper.user;

import com.sky.pojo.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

/**
 * 购物车数据层
 */
@Mapper
public interface ShoppingCartMapper {
    /**
     * 查询购物车
     * @param shoppingCart
     * @return
     */
    List<ShoppingCart> selectList(ShoppingCart shoppingCart);

    /**
     * 修改购物车
     * @param shoppingCart
     */
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateShoppingCart(ShoppingCart shoppingCart);

    /**
     * 添加购物车
     * @param shoppingCart
     */
    @Insert("insert into shopping_cart (name, user_id, dish_id, setmeal_id, dish_flavor, number, amount, image, create_time) " +
            " values (#{name},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{image},#{createTime})")
    void insertShoppingCart(ShoppingCart shoppingCart);

    /**
     * 清空购物车
     * @param currentId
     */
    @Delete("delete from shopping_cart where user_id = #{currentId}")
    void cleanShoppingCart(Long currentId);

    /**
     * 根据id删除购物车商品
     * @param id
     */
    @Delete("delete from shopping_cart where id = #{id}")
    void deleteShoppingCart(Long id);
}
